<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>购物车</title>
	<!--静态包含base标签,css样式,jquery文件-->
	<%@ include file="/pages/common/head.jsp"%>
</head>
<script type="text/javascript">
	$(function(){
		$(".deleteItem").click(function(){
			return confirm("你确定要删除["+$(this).parent().parent().find("td:first").text()+"]吗?");
		})

		$("#clear").click(function(){
			return confirm("你确定要清空购物车吗?");
		})

		//使用blur事件,会导致我们需要自己完成判断是否改变数量
		$(".updateCount").change(function(){
			var name = $(this).parent().parent().find("td:first").text();
			var count = this.value;
			var id = $(this).attr("bookId");
			if(confirm("您确定要修改["+name+"]的数量为"+count+"吗?")){
				location.href="http://localhost:8080/book/cartServlet?action=updateCount&count="+count+"&id="+id;
			}else{
				this.value = this.defaultValue;
			}
		})

	})
</script>
<body>

	<div id="header">
			<img class="logo_img" alt="" src="static/img/logo.gif" >
			<span class="wel_word">购物车</span>

			<%@ include file="/pages/common/login_success_menu.jsp"%>
	</div>

	<div id="main">
	
		<table>
			<tr>
				<td>商品名称</td>
				<td>数量</td>
				<td>单价</td>
				<td>金额</td>
				<td>操作</td>
			</tr>
			<c:if test="${empty sessionScope.cart.items}">
				<tr>
					<td colspan="5"><a href="index.jsp">您的购物车为空!快去选购商品吧</a></td>
				</tr>
			</c:if>

			<c:if test="${not empty sessionScope.cart.items}">
				<c:forEach items="${sessionScope.cart.items}" var="entry">
					<tr>
						<td>${entry.value.name}</td>
						<td>
							<input style="width: 80px" type="text" value="${entry.value.count}"
								   bookId="${entry.value.id}" class="updateCount"/>
						</td>
						<td>${entry.value.price}</td>
						<td>${entry.value.totalPrice}</td>
						<td><a class="deleteItem" href="cartServlet?action=deleteItem&id=${entry.value.id}">删除</a></td>
					</tr>
				</c:forEach>
			</c:if>


		</table>

		<c:if test="${not empty sessionScope.cart.items}">
		<div class="cart_info">
			<span class="cart_span">购物车中共有<span class="b_count">${sessionScope.cart.totalCount}</span>件商品</span>
			<span class="cart_span">总金额<span class="b_price">${sessionScope.cart.totalPrice}</span>元</span>
			<span class="cart_span" id="clear"><a href="cartServlet?action=clear">清空购物车</a></span>
			<span class="cart_span"><a href="orderServlet?action=createOrder">去结账</a></span>
		</div>
		</c:if>
	</div>

	<!--静态包含页脚内容-->
	<%@ include file="/pages/common/footer.jsp"%>
</body>
</html>